The Custom Stock Display from aheadWorks

The Custom Stock Display extension replaces the native Magento stock status with image, text, or both text & image showing customers the available number of items in an attractive and eye-catching way.
Features:
Various products support:/simple/downloadable/configurable/virtual
The quantity on configurable products page is displayed not only for the main product, but also for each option in the dropdown box.
Unlimited number of custom stock display rules.You can create multiple rules using different product attributes and set priority to them. Rules with greater priority value are processed first.Using the module, you have the ability to set and display stock status for each and every product as well as for the whole category. Rule conditions in the Custom Stock
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